. The Earth beneath the sea : History. Ocean bottom; Marine geophysics. Hydrophone moved away or towards spark source. Fig. 1. (a) Continuous profiling for normal incidence reflections, (b) Procedure for oblique reflection profiles. The echoes are then converted to electrical signals and fed ultimately to a graphic recorder like those commonly used in echo-sounding. (The basic operation is illustrated in Fig. 1.) Both single-frequency and broad-spectrum sound sources have been used. Either are short pulses of sound radiated on a precise schedule that is controlled by the graphic recorder. Sinc
. The Earth beneath the sea : History. Ocean bottom; Marine geophysics. Hydrophone moved away or towards spark source. Fig. 1. (a) Continuous profiling for normal incidence reflections, (b) Procedure for oblique reflection profiles. The echoes are then converted to electrical signals and fed ultimately to a graphic recorder like those commonly used in echo-sounding. (The basic operation is illustrated in Fig. 1.) Both single-frequency and broad-spectrum sound sources have been used. Either are short pulses of sound radiated on a precise schedule that is controlled by the graphic recorder. Since different [MS received July, 1960] 47. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Hill, M. N. (Maurice Neville), 1919-. New York : Interscience Pub.
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Keywords: ., bookcentury1900, bookcollectionbiodivers, booksubjectoceanbottom
